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MANILA, Philippines (UPDATED) – Over 700,000 Filipino children in Luzon have been given the dengue vaccine Dengvaxia under the government's mass immunization program, the Department of Health (DOH) said on Friday, December 1.

Health Secretary Francisco Duque III released the latest the figure, which is as of November 2017, after Dengvaxia manufacturer Sanofi Pasteur announced that the vaccine poses higher risks to those who got vaccinated without prior infection of the virus.

When the program was launched in April 2016, health experts had raised the alarm for the “rushed” implementation of the mass vaccination. At the time, studies on the vaccine’s safety have not been completed.

ABS-CBN reported, however, that there were only 534,303 students whose parents consented to the immunization. During the program’s first phase in April, to June 2016, only 491,990 students got vaccinated.

During the second phase in October to December 2016, only 415,681 got the vaccine.

Duque suspended the program on Friday. He assured parents, however, that Dengvaxia has a 30-month protection period for vaccines – regardless if the person was infected by dengue before or not.

The DOH’s executive committee also created a framework to closely monitor dengue cases among the vaccinated Filipino students in the next 5 years:

Mandatory history-taking on immunization of the vaccinees

Mandatory reporting of all hospitalized cases of vaccinees, regardless of symptoms

Mandatory investigation of cases and provision of supportive care when a child gets sick

Address possible gaps in performance of surveillance officers

Review, if necessary, of DOH’s dengue immunization guidelines

No legal action yet

The Philippine government spent P3.5 billion on the program, funded by sin tax revenues. As of this year, DOH has already paid this amount in full to Sanofi.

DOH Undersecretary Gerardo Bayugo said a total of 789,000 dengue vaccine doses remain unused in warehouses.

With each dose costing P1,000, that means there is P789 million worth of unused dengue vaccine in the country.

Several health advocates are pressing Duque and the DOH to file plunder charges against Garin and other officials who implemented the dengue vaccination program.

But the DOH chief refused to comment on the matter until they have properly reviewed all the documents and processes involved in the implementation.

“That we cannot answer unless we have already reviewed all the documents and contracts and analyze all the circumstances surrounding the issue of Dengvaxia, since it was began in 2016. We need to go back quite a long way to put the facts together, the data together. And until that is available, we cannot answer your question with definitive response,” said Duque.

Duque was only appointed to the DOH by President Rodrigo Duterte in October of this year.

The Philippines is one of 11 countries that approved the commercial release of Dengvaxia, along with Brazil, Costa Rica, El Salvador, Guatemala, Mexico, Paraguay, Peru, Indonesia, Singapore, and Thailand.– Rappler.com

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Welcome to Rappler, a social news network where stories inspire community engagement and digitally fuelled actions for social change. Rappler comes from the root words "rap" (to discuss) + "ripple" (to make waves).